They are highly mobilethey move quite a bit and need protection in areas both where they travel and where they live. The species is listed as threatened under the Endangered Species Act. The wingspan of a manta can reach 20 or more feet across and. I don't care what 'side' you're on, keep it to yourself or you're out. The giant manta ray is a filter feeder with a wing span of up to 29 feet. The manta ray is striking in its appearance with its black and white coloration and enormous size. There's plenty of other places for you to scream into the void about your political opinions on Reddit, this is NOT one of them. Despite their enormous size, these beautiful rays effortlessly glide through the sea. Some of the largest species of mantas can reach 23 ft. Seriously, we're all tired of baby feet, rays, and shops. Depending on the type of manta, there may be stunning polka-dot patterns on their dark-colored dorsal side. This massive manta ray was caught in 1933 off the coast of New Brunswick, Canada. However, the biggest manta ray ever recorded was a giant manta ray with a wingspan of 30 feet. In regards to size, the Giant Manta Ray is the larger of the two. Despite their size, little is known about the devil rays, much of it anecdotal the manta rays are better known. Whats the difference between the two Size, dentition and spine morphology. This picture, this picture, and this one will get you a week long ban. Manta rays are the largest rays in the world and can grow up to 23 feet in width. Depending on the species, the devil rays can attain widths up to 1.15.2 m (3.617.1 ft), the largest being second only to the manta rays in size, which can reach 5.57.0 m (18.023.0 ft). We don't need a bunch of nonsense clogging up the comment threads. If there's bodies or gore of any kind, please be considerate. Please, no monsters or other things like that, we'd like to keep it as convincing as possible if you choose to post fictitious items. Submissions can be real or realistic fiction- realistic fiction meaning pictures or stories of things that could be. Happy swimming, and remember- There's always something below you. If it seems like something that just shouldn't be found in the oceans, lakes, or rivers of the world, then this is where it belongs. In future the biggest threat may not be manned submarines but shoals of lurking Manta Rays.We are a subreddit dedicated to showcasing the strange, creepy, and horrifying things that exist just below the surface of the water.

This is likely to transform the field of underwater warfare, as it means a large, manned, nuclear-powered sub is not needed to maintain a permanent presence in disputed waters. In any case, the challenge of powering robot submarines indefinitely is in the process of being overcome. This suggests that DARPA may push ahead with several different Manta Ray designs for different missions – deep ocean versus littoral, or temperate versus arctic. “To me, this is a clear sign we are tackling a complex problem without a clear ‘one size fits all’ solution.”

“Manta Ray performers have each taken unique approaches to solving the wide range of challenges related to UUV endurance,” program manager Commander Kyle Woerner, said in the statement details the latest contracts. However, there may be no outright winner and several different methods of energy harvesting may be effective. Once the Manta Ray is recharged, it winches in the kite and raises anchor again. Like the power-generation kites being developed as an alternative to wind turbines, the device uses the different flow of water at different ‘altitudes.’ Lead Investigator Chris Vermillion of NC State has spent a decade developing models and control systems for tethered energy-harvesting systems, and his team is working with oceanographers to ensure that the kite will always finds the strongest current. This is the ‘underseas kite’ developed at North Carolina State University for DARPA in association with Navatek, another of the Manta Ray contenders. power from ocean currents DARPAĪ previous image released by the Manta Ray project team suggests another possible power source, showing the craft anchored to the sea bed while a smaller vehicle glides above it on a tether. An earlier image of the Manta Ray shows it equipped with an energy-harvesting 'kite' which extracts.

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